''Ptocasius fulvonitens'' is a species of

spider Spiders (order (biology), order Araneae) are air-breathing arthropods that have eight limbs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude spider silk, silk. They are the largest order of arachnids and ran ...

of the genus ''

Ptocasius ''Ptocasius'' is a genus of Asian Salticidae, jumping spiders that was first described by Eugène Simon, Eugène Louis Simon in 1885. Species it contains fifty-two species, found only in Asia: *''Ptocasius badongensis'' (Song & Chai, 1992) – ...

''. It is endemic to

Sri Lanka Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, ...

References

Salticidae Endemic fauna of Sri Lanka Spiders of Asia Spiders described in 1902 {{Salticidae-stub